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Finding the Fourth Proportional to 357,641.40, 536,462.10 and 180,079.80

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Solution

The fourth proportional to 357,641.40, 536,462.10 and 180,079.80 is: 270,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,641.40 : 536,462.10 = 180,079.80 : x
  2. Step 2: Convert to fraction form
    357,641.40/536,462.10 = 180,079.80/x
  3. Step 3: Cross multiply
    357,641.40x = 536,462.10 × 180,079.80
  4. Step 4: Simplify right side
    357,641.40x = 96,605,987,675.58
  5. Step 5: Solve for x
    x = 96,605,987,675.58/357,641.40
  6. Step 6: Final answer
    x = 270,119.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.